2507572 has 12 divisors (see below), whose sum is σ = 4539780. Its totient is φ = 1210496.

The previous prime is 2507567. The next prime is 2507581. The reversal of 2507572 is 2757052.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 1653796 = 924^2 + 1286^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2507572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10693 + ... + 10924.

It is an arithmetic number, because the mean of its divisors is an integer number (378315).

2^2507572 is an apocalyptic number.

It is an amenable number.

2507572 is a deficient number, since it is larger than the sum of its proper divisors (2032208).

2507572 is a wasteful number, since it uses less digits than its factorization.

2507572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21650 (or 21648 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 2507572 is about 1583.5314963713. The cubic root of 2507572 is about 135.8577665241.

The spelling of 2507572 in words is "two million, five hundred seven thousand, five hundred seventy-two".